Delete row ('1321', '20706') from daily_volatility

ticker_id 1321
day 20706
implied_open 0.8159497043323198
implied_high 1.408068847748575
implied_low 0.7937253933193773
implied_close 0.8095999011857647
historical_open 0.9921567416492215
historical_high 0.9921567416492215
historical_low 0.9921567416492215
historical_close 0.9921567416492215
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